Interested to Buy Any Domain ? << Click Here >> for more details...
How to write a program for swapping two strings without
using 3rd variable and without using string functions.
- 7 Answers
- 22232 Views
- iGate, Infotech, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / sivaraj
Questions is to swap the string not for integers so the
above answers are wrong.
| Is This Answer Correct ? | 47 Yes | 7 No |
Answer / gaurav rustagi
#include <iostream>
#include <string.h>
using namespace std;
void swap ( char ** , char ** ) ;
int main ()
{
char * buyer= "US Dollars" ;
char * seller = "IN Ruppees" ;
cout << "Before swap, buyer has " << buyer;
cout << " and seller has " << seller << endl;
swap (buyer,seller);
cout << " After swap, buyer has " << buyer;
cout << " and seller has " << seller << endl;
return 0;
}
void swap ( char ** L , char ** R )
{
char ** temp = R;
R = L ;
L = temp ;
}
| Is This Answer Correct ? | 7 Yes | 13 No |
Answer / sri
main()
{
int a=5,b=3;
a=a+b;
b=a-b;
a=a-b;
printf(" %d %d ",a,b);
getch();
}
| Is This Answer Correct ? | 33 Yes | 42 No |
Answer / biswambar
main()
{
int a=5,b=3;
b=a+b;
a=b-a;
b=b-a;
printf(" %d %d ",a,b);
}
| Is This Answer Correct ? | 44 Yes | 54 No |
Answer / saptarshi
void main()
{
char *p="string1";
char *q="string2";
p^=q^=p^=q;
printf("%s,%s",p,q);
}
swapping the base pointers of the two strings may work...
if they are declared as character arrays, then it is not
possible as we cannot modify the value of array base
pointers...
| Is This Answer Correct ? | 10 Yes | 26 No |
Answer / ramu pasupuleti
#include<stdio.h>
#include<conio.h>
{
printf("enter a,b values");
a=a+b;
a=a-b;
b=a-b;
printf("%d%d",a,b);
getch();
}
| Is This Answer Correct ? | 2 Yes | 18 No |
Answer / srinath, hyd
main()
{
int a=5,b=3;
a=a+b;
b=a-b;
a=a-b;
printf(" %d %d ",a,b);
getch();
}
| Is This Answer Correct ? | 7 Yes | 26 No |
Write a program in c to print * * * * * *******
Describe newline escape sequence with a sample program?
What is getch?
Explain what is the difference between a string copy (strcpy) and a memory copy (memcpy)? When should each be used?
main() { charx; while (x=0;x<=255;x++) printf("\nAscii value %d Character %c,x,x); }
Write a program to find the biggest number of three numbers in c?
a function gets called when the function name is followed by a a) semicolon (;) b) period(.) c) ! d) none of the above
A MobileNumber is a VIP number if it satisfy the following conditions. The operator should be Vodafone. Atleast one 0 (Zero) should be exist in mobile number. The number should not end with 8. The single digit sum of all the digits in the number should be equal to 9. For example if the number is 9876543210, the sum is 9+8+7+...+1+0 = 45. Sum of 4+5 = 9. Write a method: private boolean isVIPMobileNumber(String mobileNum, String operator) mobileNum phone number operator mobile operator as bsnl, Vodafone
What is a header file?
which of the following statements is incorrect a.typedef struct new{ int n1; char n2; } DATA; b.typedef struct { int n3; char *n4; }ICE; c.typedef union { int n5; float n6; } UDT; d.#typedef union { int n7; float n8; } TUDAT;
what do structure language means?
How can I prevent another program from modifying part of a file that I am modifying?
C 
